@article{pilli_rodrigues jr_2009,  title={The asymmetric total synthesis of (+)- and (-)-trypargine via Noyori asymmetric transfer hydrogenation},  volume={20},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532009000800007},  DOI={10.1590/S0103-50532009000800007},  number={8},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Pilli, Ronaldo A. and Rodrigues Jr, Manoel Trindade},  year={2009},  pages={1434–1440} }